内燃机车辅助系统电源控制装置的研制

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1、北京交通大学硕士学位论文内燃机车辅助系统电源控制装置的研制姓名：梁京哲申请学位级别：硕士专业：电力电子与电力传动指导教师：金新民20071201j￡塞窒通太堂亟±堂焦抡奎△旦S!＆△￡!ABSTRACTABSTRACT：ACdriveisconsideredasallimportantdevelopmentdirectionofAuxiliarysystemfordiesellocomotive．Basedonthedevelopmentoftheauxiliarysystemforforeigndieselloc

2、omotive,thedissertationfocusesonthestudyofbothadvantageanddisadvantageoftheauxiliarysystemapproachfor8CJ，NJl，NJ2locomotives．andpointsoutan钾r矗3earchapproach：usingthree-phasePWMrectifier．Thedissertationsetsupthemathematicalmodelofvoltagesourcethree-phasePWMrecti

3、fier,anddesignsthecontrollerwhichconsistsofvoltageandcurrentdoubleclosedloopcontr01．ThecontrollerinductscurrentstatefeedbackandcarriesthroughforwardcompensationwithACmainvoltagetodismisscurrentcouplingindqcoordinate．Thedismissed—couplingcurrentbecomesseparated

4、qcurrentcomponent；itnotonlycallaccuratelytrackthecurrentwithoutstaticerrorinsteadystate,butalsohasquicklydynamicrespondperformance．Introducesthemainpowercircuitandthecomposedofcontroldevice．Thecontroldeviceincludesmaincontrolboard，powersupplyboard,in—outboarda

5、ndmotherboard．Andthemaincontrolboardisthecoreofthewholecontrol，mainlycomposedofcentralprocessingunit,analogsignalprocessingunit,logicprotectingunitandcommunicatingunit．Adoptingvoltage-oriented(voc)PWMcommutecontrolstrategy；,thedissertationputsforwardaneasydigi

6、talarithmetictorealizeVOC．SOcalculationisreducedgreatly．孔evoltageandcurrentofthethree-phasePWMrectifierhavebe=tterrespondperformance,thecurrentaberrancesissmallerandthevoltageissteadyunderthiscontrolstrategy．Basedonthemathematicmodelofsynchronousmotor，thedisse

7、rtationanalyzesthecontrolstrategyininvertingstateandrectifyingstate．Thevariablefrequencystartingisthefastprocessofthesystem,itincluderotorstandstillpositiondetection,v／fmodeinvertandfluxweakeningcontrol，theircontrolprincipleandcontrolstrategyaregiven．Rectifyin

8、gisthesecondprocessofthesystem,basedonanalyzingthemathematicmodeofsynchronousmotorandthecontrolprincipleofvoltagesourcerectifier(vSR)，thedissertationputsforwardanewcontrolstrategy．